<template>
  <h1>sum的值为{{ sum }}</h1>
  <hr>
  <Demo/>
  <test/>
</template>

<script>

import Demo from "@/components/Demo.vue";
import Test from "@/components/test.vue";

export default {
  name: 'App',
  components: {Test, Demo},
  setup() {
    let sum = 1
    return {
      sum
    }
  },

}
</script>

<style>
</style>
